/**
*    Copyright (C) 2013 10gen Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*    As a special exception, the copyright holders give permission to link the
*    code of portions of this program with the OpenSSL library under certain
*    conditions as described in each individual source file and distribute
*    linked combinations including the program with the OpenSSL library. You
*    must comply with the GNU Affero General Public License in all respects for
*    all of the code used other than as permitted herein. If you modify file(s)
*    with this exception, you may extend this exception to your version of the
*    file(s), but you are not obligated to do so. If you do not wish to do so,
*    delete this exception statement from your version. If you delete this
*    exception statement from all source files in the program, then also delete
*    it in the license file.
*/

#pragma once

#include "mongo/base/disallow_copying.h"
#include "mongo/base/status.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/user.h"
#include "mongo/db/jsobj.h"

namespace mongo {

class V1UserDocumentParser {
    MONGO_DISALLOW_COPYING(V1UserDocumentParser);

public:
    V1UserDocumentParser() {}
    std::string extractUserNameFromUserDocument(const BSONObj& doc) const;

    Status initializeUserCredentialsFromUserDocument(User* user, const BSONObj& privDoc) const;

    Status initializeUserRolesFromUserDocument(User* user,
                                               const BSONObj& privDoc,
                                               StringData dbname) const;
};

class V2UserDocumentParser {
    MONGO_DISALLOW_COPYING(V2UserDocumentParser);

public:
    V2UserDocumentParser() {}
    Status checkValidUserDocument(const BSONObj& doc) const;

    /**
     * Returns Status::OK() iff the given BSONObj describes a valid element from a roles array.
     */
    static Status checkValidRoleObject(const BSONObj& roleObject);

    static Status parseRoleName(const BSONObj& roleObject, RoleName* result);

    static Status parseRoleVector(const BSONArray& rolesArray, std::vector<RoleName>* result);

    std::string extractUserNameFromUserDocument(const BSONObj& doc) const;

    Status initializeUserCredentialsFromUserDocument(User* user, const BSONObj& privDoc) const;

    Status initializeUserRolesFromUserDocument(const BSONObj& doc, User* user) const;
    Status initializeUserIndirectRolesFromUserDocument(const BSONObj& doc, User* user) const;
    Status initializeUserPrivilegesFromUserDocument(const BSONObj& doc, User* user) const;
};

}  // namespace mongo
